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Open Access
Sentiment Classification in Under-Resourced Languages Using Graph-Based Semi-Supervised Learning Methods

Yong REN, Nobuhiro KAJI, Naoki YOSHINAGA, Masaru KITSUREGAWA

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Summary :

In sentiment classification, conventional supervised approaches heavily rely on a large amount of linguistic resources, which are costly to obtain for under-resourced languages. To overcome this scarce resource problem, there exist several methods that exploit graph-based semi-supervised learning (SSL). However, fundamental issues such as controlling label propagation, choosing the initial seeds, selecting edges have barely been studied. Our evaluation on three real datasets demonstrates that manipulating the label propagating behavior and choosing labeled seeds appropriately play a critical role in adopting graph-based SSL approaches for this task.

Publication
IEICE TRANSACTIONS on Information Vol.E97-D No.4 pp.790-797
Publication Date
2014/04/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E97.D.790
Type of Manuscript
Special Section PAPER (Special Section on Data Engineering and Information Management)
Category

Authors

Yong REN
  The University of Tokyo
Nobuhiro KAJI
  The University of Tokyo
Naoki YOSHINAGA
  The University of Tokyo
Masaru KITSUREGAWA
  National Institute of Informatics

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